
package cz.incad.psh.pshassign.server;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author alberto
 */
public class DocAssignerServlet  extends HttpServlet {
    
    
    private Logger logger = Logger.getLogger(this.getClass().getName());
    PrintWriter out;
    
    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        
        response.setCharacterEncoding("UTF-8");
        out = response.getWriter();
        try {
            String id = request.getParameter("id");
            String wt = request.getParameter("wt");
            boolean save = Boolean.parseBoolean(request.getParameter("save"));
            DocAssigner a = new DocAssigner(id);
            if("json".equals(wt)){
                response.setContentType("application/json");
                out.println(a.asJson());
            }else{
                String xml = a.asXml();
                if(save){
                    Invenio invenio = new Invenio();
                    invenio.update(xml);
                }
                response.setContentType("text/xml charset=UTF-8");
                out.println(xml);
            }
        } catch(Exception ex){
            out.println(ex.getLocalizedMessage());
            logger.log(Level.SEVERE, "", ex);
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
